Census Bureau official forecast (middle range)
|
| |
|
Year 2000 |
Year 2030 |
Year 2050 |
| Total population |
|
282,158,336 |
373,503,674 |
439,010,253 |
| Population 65+ |
|
35,107,491 |
72,091,915 |
88,546,973 |
| Population 85+ |
|
4,295,943 |
8,744,986 |
19,041,041 |
| Population 100+ |
|
52,622 |
207,631 |
600,909 |
| Dependency ratios: 100x(dependent ages)/(ages 20-64) |
| |
(0-19)+(65+) |
0.69 |
0.83 |
0.85 |
| |
(0-19) |
0.48 |
0.48 |
0.48 |
| |
(65+) |
0.21 |
0.35 |
0.37 |
| Life expectancy at birth |
| |
Male |
|
78.40 |
80.90 |
| |
Female |
|
83.10 |
85.30 |
| Life expectancy at age 20 |
| |
Male |
|
|
|
| |
Female |
|
|
|
| Life expectancy at age 65 |
| |
Male |
|
18.60 |
21.00 |
| |
Female |
|
22.40 |
24.50 |
| Life expectancy at age 85 |
| |
Male |
|
7.10 |
7.40 |
| |
Female |
|
8.40 |
9.30 |
|
Population estimates are from: U.S. Census Bureau,
Population Division, 2008 National Population Projections, Aug 14, 2008
http://www.census.gov/population/www/projections/2008projections.html
Accessed on Oct 28, 2008
Life expectancy estimates are from Jay's science draft,
and life expectancy at age 20 is unavailable
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